I cannot review this book myself as I had my ten year old twin daughters read it. I felt like they were the target audience and therefore the better people to review it. Initially, they were not excited to read it because the cover didn't appeal to them. But then when they gave it a chance they found it to be "fun" and "funny". They enjoyed the zany adventures. They have not read the Artemis Fowl series but after reading this they are interested in checking them out. I think they would have been more interested in reading it if it had involved girl twins or maybe even a girl/boy twin combo. It wasn't quite as relatable to them since they main characters were boys. And for that reason they gave it 4 stars.